1 citations · 1 across the 4 of their papers we have counts for
4 papers
Complete orbit equivalence relation and non-universal Polish groups
Longyun Ding, Ruiwen Li, Bo Peng
We show that a non-universal Polish group can induce a complete orbit equivalence relation, which answers a question of Sabok from \cite{OPENPROBLEMS}.
Toeplitz subshifts of finite rank
Su Gao, Ruiwen Li, Bo Peng +1
In this paper we study some basic problems about Toeplitz subshifts of finite topological rank. We define the notion of a strong Toeplitz subshift of finite rank by combining t…
Isomorphism of pointed minimal systems is not classifiable by countable structures
Ruiwen Li, Bo Peng
We prove that the topological conjugacy relations both for minimal systems and pointed minimal systems are not Borel-reducible to any Borel -action.
Large Monochromatic Components of Small Diameter
Erik Carlson, Ryan R. Martin, Bo Peng +1
Gyárfás conjectured in 2011 that every -edge-colored contains a monochromatic component of bounded ("perhaps three") diameter on at least vertices. Letzter prove…